" This must be first, because it changes other options as a side effect.
set nocompatible

" show line numbers
set number

" display "-- INSERT -- when entering insert mode
set showmode

" highlight matching search terms
set hlsearch
" allow backspacing anything in insert mode
set backspace=indent,eol,start
" do not wrap lines
set nowrap

" set the mouse to work in the console
set mouse=a
" keep 50 lines of command line history
set history=50
" show the cursor position
set ruler
" do incremental searching
set incsearch
" save a backup file
set backup

" the visual bell flashes the background instead of an audible bell.
set visualbell

au FileType c set cindent tw=79
au FileType sh set ai et sw=4 sts=4 noexpandtab
au FileType vim set ai et sw=2 sts=2 noexpandtab

" indent new lines to match the current indentation
set autoindent
" don't replace tabs with spaces
set noexpandtab
" use tabs at the start of a line, spaces elsewhere
set smarttab

" show syntax highlighting
syntax on

" show whitespace at the end of a line
highlight WhitespaceEOL ctermbg=blue guibg=blue
match WhitespaceEOL /\s\+$/

